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Steelcase

Steelcase Gesture Task Chair: Shell Back - Platinum Metallic Frame/Base/Seagull Accent - Standard Carpet Casters

2D arms
400 lb capacity
Seat depth adjustment

$1,457.04

In stock on Amazon.com

Specs verified August 2026

Amazon.com data updated October 13, 2026, 2:34 pm ET. Price and availability are accurate as of the time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply.

Ergo Score Breakdown

Ergo Score: 41/100

Adjustability 23/40

Armrests6/102D armrests: 6/10

Seat height6/6adjustable, 5.0 in range: 6/6

Seat depth5/5seat depth adjustment: 5/5

Lumbar adjustment0/7Not listed by the seller

Recline0/2Not listed by the seller

Tilt lock3/3tilt lock: 3/3

Tilt tension3/3tilt tension: 3/3

Advanced tilt0/4Not listed by the seller

Support 3/30

Lumbar support0/12Not listed by the seller

Upper back support0/4backrest 24 in: 0/4

Headrest adjustment0/2Not listed by the seller

Cushion0/5Not listed by the seller

Seat edge3/3flexible edge: 3/3

Breathable back0/4Not listed by the seller

Build 15/30

Warranty9/912-year warranty: 9/9

Weight capacity6/6400 lb capacity: 6/6

Certifications0/5Not listed by the seller

Base0/3Not listed by the seller

Gas lift0/2Not listed by the seller

Owner rating0/5Not listed by the seller

Comfort Index

Comfort Index: 11/100

Seat cushionNot listed by the seller

Cushion thicknessNot listed by the seller

ReclineNot listed by the seller

Breathable backNot listed by the seller

HeadrestNot listed by the seller

Armrests10/10

Owner rating1/25

Specifications

Seat height range	16 to 21 in
Seat width	20 in
Seat depth	Not listed by the seller
Seat depth adjustable	Yes
Seat cushion	Not listed by the seller
Cushion thickness	Not listed by the seller
Back material	Not listed by the seller
Backrest height	24 in
Backrest width	16.25 in
Armrests	2D adjustable
Lumbar support	Not listed by the seller
Lumbar adjustments	Not listed by the seller
Headrest	Not listed by the seller
Max recline	Not listed by the seller
Tilt mechanism	Not listed by the seller
Base material	Not listed by the seller
Casters	Carpet
Gas lift	Not listed by the seller
Weight capacity	400 lb
Chair weight	78 lb
Overall height	47 to 57 in
Warranty	12 years
Certifications	Not listed by the seller

Fit Guide

A comfortable seat height is about a quarter of your body height. Here is how this chair's listed seat range lines up (how we rate).

Your height	Seat range	Fit	Weight
4'11" to 5'3"	16 to 21 in seat (ideal about 15.3 in)	Seat may be too high	Rated to 400 lb
5'4" to 5'7"	16 to 21 in seat (ideal about 16.4 in)	Good fit	Rated to 400 lb
5'8" to 5'11"	16 to 21 in seat (ideal about 17.4 in)	Good fit	Rated to 400 lb
6'0" to 6'3"	16 to 21 in seat (ideal about 18.4 in)	Good fit	Rated to 400 lb
6'4" and up	16 to 21 in seat (ideal about 19.3 in)	Good fit	Rated to 400 lb

Carpet castersAdjustable armsSeat depth adjustmentShell backTilt lock

What We Like

The arms adjust in height and pivot, and the listing gives their height above the floor as 22.38 to 32.69 inches.
The adjustability sub-score of 23 is the second highest in its category.
The seat can come down to 16 inches, among the lower minimums across all the chairs that state a seat height range.

Watch Out For

The listing does not state whether the chair has lumbar support at all, and its Ergo Score support sub-score of 3 is among the lowest in its category as a result.
The listing gives the chair weight as 78 lb, the top figure among all chairs that state one, which counts if it has to be carried.
A Comfort Index of 11 and a 3.8 rating across 5 reviews both sit toward the bottom of the category.

At a Glance

Fitted with standard carpet casters, this Gesture shell-back task chair has height- and pivot-adjustable arms and a seat height of 16 to 21 inches. It is rated for 400 lb, covered for 12 years and listed at 78 lb.

Who This Chair Is For

Anyone working over carpet, since this version is the one fitted with carpet casters.
People who need the seat to drop to 16 inches and rise to 21 inches.
Buyers who want arms they can set at a specific height off the floor.

Who Should Look Elsewhere

Anyone who wants lumbar support confirmed, since this listing does not state it, while the shell-back Gesture fitted with hard-floor casters lists an adjustable lumbar type.
Hard-floor users, who should compare the shell-back Gesture listing fitted with hard-floor casters instead of this carpet version.

Arm reach and seat range on the carpet-caster shell-back Gesture

The arms move in height and pivot, putting them 22.38 to 32.69 inches off the floor. The seat height runs from 16 to 21 inches, the seat depth from 15.75 to 18.5 inches, and the tilt locks at four positions with adjustable tension. The listing does not state a lumbar type, a headrest, a tilt mechanism or a recline angle.